Minolta EP5000 Disassembly And Reassembly page 78

(3) Adjustment of the Aperture Blades
z Requirement
D There should be no dark or light bands running in the feeding direction on copies produced. (Adjust to
obtain the mean image density for all areas.)
z Important
D If dark and light bands running in the feeding direction occur on copies, make this adjustment after
checking the following.
1) The Drum Charge Corona Wire, Grid Mesh, and Image Transfer Corona Wire are free of dirt.
2) The surfaces of the Mirrors and Lens are free of dirt.
3) The surfaces of the Exposure Lamp and Main Erase Lamp are free of scratches and dirt.
4) The Cleaning Blade is free of waviness.
1. Make a copy under the following control panel settings.
Original : A3 or A4 crosswise,
11" ⋅ 17" or 11" ⋅ 8-1/2" crosswise
Paper : A3 or A4 crosswise,
11" ⋅ 17" or 11" ⋅ 8-1/2" crosswise
Magnification : 100 %
ratio
Exposure : Manual (setting convenient for check)
2. Remove the Original Glass.
3. Turn the copy on the Copy Tray around as shown to re-
verse the leading and trailing edges and align it with the
Aperture Blades.
4. Adjust to obtain the mean image density for all areas of the
copy.
NOTE
To make the image darker, move the Aperture Blade
toward the Auxiliary Reflector.
To make the image lighter, move the Aperture Blade
away from the Auxiliary Reflector.
D-71